dotfiles/.config/nvim/after/plugin/lsp.lua

if vim.g.vscode then
  return
end

local Remap = require("halfdan.keymap")
local nnoremap = Remap.nnoremap
local inoremap = Remap.inoremap

vim.fn.sign_define("DiagnosticSignError",  {text = "", texthl = "DiagnosticSignError"})
vim.fn.sign_define("DiagnosticSignWarn",   {text = "", texthl = "DiagnosticSignWarn"})
vim.fn.sign_define("DiagnosticSignInfo",   {text = "", texthl = "DiagnosticSignInfo"})
-- vim.fn.sign_define("DiagnosticSignHint",   {text = "", texthl = "DiagnosticSignHint"})

-- Set Default Prefix.
-- Note: You can set a prefix per lsp server in the lv-globals.lua file
vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
  vim.lsp.diagnostic.on_publish_diagnostics, {
    signs = true,
    underline = true,
  }
)

-- Setup for nvim-notify
vim.lsp.set_log_level(2)

local convert_lsp_log_level_to_neovim_log_level = function(lsp_log_level)
  if lsp_log_level == 1 then
    return 4
  elseif lsp_log_level == 2 then
    return 3
  elseif lsp_log_level == 3 then
    return 2
  elseif lsp_log_level == 4 then
    return 1
  end
end

local levels = {
  "ERROR",
  "WARN",
  "INFO",
  "DEBUG",
  [0] = "TRACE",
}
---@diagnostic disable-next-line: unused-vararg
vim.lsp.handlers["window/showMessage"] = function(_, result, ...)
  if require("vim.lsp.log").should_log(convert_lsp_log_level_to_neovim_log_level(result.type)) then
    vim.notify(result.message, levels[result.type])
  end
end

-- symbols for autocomplete
vim.lsp.protocol.CompletionItemKind = {
  "   (Text) ",
  "   (Method)",
  "   (Function)",
  "   (Constructor)",
  " ﴲ  (Field)",
  "[] (Variable)",
  "   (Class)",
  " ﰮ  (Interface)",
  "   (Module)",
  " 襁 (Property)",
  "   (Unit)",
  "   (Value)",
  " 練 (Enum)",
  "   (Keyword)",
  "   (Snippet)",
  "   (Color)",
  "   (File)",
  "   (Reference)",
  "   (Folder)",
  "   (EnumMember)",
  " ﲀ  (Constant)",
  " ﳤ  (Struct)",
  "   (Event)",
  "   (Operator)",
  "   (TypeParameter)"
}


-- Diagnostic keymaps
vim.api.nvim_set_keymap('n', '<leader>e', '<cmd>Lspsaga show_line_diagnostics<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', { noremap = true, silent = true })

-- Global mappings.
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist)

-- Use LspAttach autocommand to only map the following keys
-- after the language server attaches to the current buffer
vim.api.nvim_create_autocmd('LspAttach', {
  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
  callback = function(ev)
    -- Enable completion triggered by <c-x><c-o>
    vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'

    -- Buffer local mappings.
    -- See `:help vim.lsp.*` for documentation on any of the below functions
    local opts = { buffer = ev.buf }
    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
    vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
    vim.keymap.set('n', '<space>wl', function()
      print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
    end, opts)
    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
    vim.keymap.set({ 'n', 'v' }, '<space>ca', vim.lsp.buf.code_action, opts)
    vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
    vim.keymap.set('n', '<space>f', function()
      vim.lsp.buf.format { async = true }
    end, opts)
  end,
})

local on_attach = function(client, bufnr)
  nnoremap("gd", "<cmd>Lspsaga peek_definition<CR>")
  nnoremap("<leader>gd", function ()
    vim.lsp.buf.definition()
  end)
  nnoremap("gD", function() vim.lsp.buf.declaration() end)
  nnoremap("K", "<cmd>Lspsaga hover_doc<CR>")
  nnoremap("gW", function() vim.lsp.buf.workspace_symbol() end)
  nnoremap("<leader>vd", function() vim.diagnostic.open_float() end)
  nnoremap("[d", "<cmd>Lspsaga diagnostic_jump_next<CR>")
  nnoremap("]d", "<cmd>Lspsaga diagnostic_jump_prev<CR>")
  nnoremap("<leader>ca", "<cmd>Lspsaga code_action<CR>")
  nnoremap("gr", function() vim.lsp.buf.references() end)
  nnoremap("<leader>rn", "<cmd>Lspsaga rename<CR>")
  nnoremap("<leader>cl", function() vim.lsp.codelens.run() end)
  nnoremap("<leader>fa", function() vim.lsp.buf.format{async = true} end)
  inoremap("<C-h>", function() vim.lsp.buf.signature_help() end)

  lsp_status.on_attach(client, bufnr)
end

vim.lsp.config("lua_ls", {
  settings = {
    Lua = {
      runtime = {
        -- Tell the language server which version of Lua you're using
        version = "LuaJIT",
      },
      diagnostics = {
        -- Get the language server to recognize the `vim` global
        globals = { "vim" },
      },
      workspace = {
        -- Make the server aware of Neovim runtime files
        library = vim.api.nvim_get_runtime_file("", true),
      },
      telemetry = {
        -- Do not send telemetry data containing a randomized but unique identifier
        enable = false,
      },
    },
  },
})

-- Enable it
vim.lsp.enable("lua_ls")

vim.lsp.config('gopls', {
  cmd = { "gopls" },
  filetypes = { "go", "gomod", "gowork", "gotmpl" },
  root_markers = { "go.work", "go.mod", ".git" },
  settings = {
    gopls = {
      analyses = {
        unusedparams = true,
        shadow = true,
      },
      staticcheck = true,
    },
  },
})

vim.lsp.enable 'gopls'

vim.lsp.config('expert', {
  cmd = { 'expert' },
  root_markers = { 'mix.exs', '.git' },
  filetypes = { 'elixir', 'eelixir', 'heex' },
})

vim.lsp.enable 'expert'
vim.lsp.enable 'gleam'